Nani explains why Cristiano Ronaldo is feeling frustrated at Manchester United

Former Manchester United winger Nani has suggested that Cristiano Ronaldo’s perceived negative attitude is “normal'' for him, especially given that he is in the twilight of his career.

The five-time Ballon d’Or winner was seen gesticulating in anguish during the club’s horrific 4-0 defeat to Brentford on Saturday. His future at Old Trafford is unclear, but he has vowed to explain all in the next few weeks.

Ronaldo netted 24 times in his homecoming campaign but is dissatisfied with United’s chances of silverware this season, and their failure to qualify for the Champions League last. Some supporters feel his return hampered the growth of the team, ultimately contributing to the toxic atmosphere within the club.

READ MORE: Ronaldo cautioned by police after video footage of him appearing to slap phone out of child's hand

He missed United’s pre-season tour of Thailand and Australia due to family reasons, meaning he played just 45 minutes of football during the summer. After being left out of the Brighton defeat due to fitness, he was handed his first start of the term against Brentford.

The 37-year-old was visibly upset by his side’s capitulation, which sparked memories of last season. A number of fans believe his exit would be beneficial for the club, taking a dislike to his attitude.

But former club and country teammate Nani said his reaction was “normal”, arguing time is not on his side. Speaking on Rio Ferdinand's FIVE YouTube show, he said: “He reacts when the team is not doing well but the only difference is it’s different times.

"He’s playing again at Man United but he’s been all over the world doing well in different teams with different players. He’s at a team where the managers are trying to build strong teams and